in core/src/main/java/gnu/trove/TLongHashSet.java [365:380]
public String toString() {
final StringBuilder sb = new StringBuilder();
forEach(new TLongProcedure() {
@Override
public boolean execute(long value) {
if (sb.length() != 0) {
sb.append(',').append(' ');
}
sb.append(value);
return true;
}
});
sb.append(']');
sb.insert(0, '[');
return sb.toString();
}